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CBSE Class 12 Physics

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1. Electric Charges And Fields

1.1 Introduction

1.2 Electric Charges

1.3 Conductors and Insulators

1.4 Charging by Induction

1.5 Basic Properties of Electric Charge

1.6 Coulomb's Law

1.7 Forces between Multiple Charges

1.8 Electric Field

1.9 Electric Field Lines

1.10 Electric Flux

1.11 Electric Dipole

1.12 Dipole in a Uniform External Field

1.13 Continuous Charge Distribution

1.14 Gauss's Law

1.15 Application of Gauss's Law

2. Electrostatic Potential And Capacitance

2.1 Introduction

2.2 Electrostatic Potential

2.3 Potential due to a Point Charge

2.4 Potential due to an Electric Dipole

2.5 Potential due to a System of Charges

2.6 Equipotential Surfaces

2.7 Potential Energy of a System of Charges

2.8 Potential Energy in an External Field

2.9 Electrostatics of Conductors

2.10 Dielectrics and Polarisation

2.11 Capacitors and Capacitance

2.12 The Parallel Plate Capacitor

2.13 Effect of Dielectric on Capacitance

2.14 Combination of Capacitors

2.15 Energy Stored in a Capacitor

2.16 Van de Graaff Generator

3. Current Electricity

3.1 Introduction

3.2 Electric Current

3.3 Electric Currents in Conductors

3.4 Ohm's law

3.5 Drift of Electrons and the Origin of Resistivity

3.6 Limitations of Ohm's Law

3.7 Resistivity of various Materials

3.8 Temperature Dependence of Resistivity

3.9 Electrical Energy, Power

3.10 Combination of Resistors – Series and Parallel

3.11 Cells, emf, Internal Resistance 1

3.12 Cells in Series and in Parallel

3.13 Kirchhoff's Laws

3.14 Wheatstone Bridge

3.15 Meter Bridge

3.16 Potentiometer

4. Moving Charges And Magnetism

4.1 Introduction

4.2 Magnetic Force

4.3 Motion in a Magnetic Field

4.4 Motion in Combined Electric and Magnetic Fields

4.5 Magnetic Field due to a Current Element, Biot–Savart Law

4.6 Magnetic Field on the Axis of a Circular Current Loop

4.7 Ampere's Circuital Law

4.8 The Solenoid and the Toroid

4.9 Force between Two Parallel Currents, the Ampere

4.10 Torque on Current Loop, Magnetic Dipole

4.11 The Moving Coil Galvanometer

5. Magnetism And Matter

5.1 Introduction

5.2 The Bar Magnet

5.3 Magnetism and Gauss's Law

5.4 The Earth's Magnetism

5.5 Magnetisation and Magnetic Intensity

5.6 Magnetic Properties of Materials

5.7 Permanent Magnets and Electromagnets

6. Electromagnetic Induction

6.1 Introduction

6.2 The Experiments of Faraday and Henry

6.3 Magnetic Flux

6.4 Faraday's Law of Induction

6.5 Lenz's Law and Conservation of Energy

6.6 Motional Electromotive Force

6.7 Energy Consideration: A Quantitative Study

6.8 Eddy Currents

6.9 Inductance

6.10 AC Generator

7. Alternating Current

7.1 Introduction

7.2 AC Voltage Applied to a Resistor

7.3 Representation of AC Current and Voltage by Rotating Vectors – Phasors

7.4 AC Voltage Applied to an Inductor

7.5 AC Voltage Applied to a Capacitor

7.6 AC Voltage Applied to a Series LCR Circuit

7.7 Power in AC Circuit: The Power Factor

7.8 LC Oscillations

7.9 Transformers

8. Electromagnetic Waves

8.1 Introduction

8.2 Displacement Current

8.3 Electromagnetic Waves

8.4 Electromagnetic Spectrum

9. Ray Optics And Optical Instruments

9.1 Introduction

9.2 Reflection of Light by Spherical Mirrors

9.3 Refraction

9.4 Total Internal Reflection

9.5 Refraction at Spherical Surfaces and by Lenses

9.6 Refraction through a Prism

9.7 Dispersion by a Prism

9.8 Some Natural Phenomena due to Sunlight

9.9 Optical Instruments

10. Wave Optics

10.1 Introduction

10.2 Huygens Principle

10.3 Refraction and reflection of plane waves using Huygens Principle

10.4 Coherent and Incoherent Addition of Waves

10.5 Interference of Light Waves and Young's Experiment

10.6 Diffraction

10.7 Polarisation

11. Dual Nature Of Radiation And Matter

11.1 Introduction

11.2 Electron Emission

11.3 Photoelectric Effect

11.4 Experimental Study of Photoelectric Effect

11.5 Photoelectric Effect and Wave Theory of Light

11.6 Einstein's Photoelectric Equation: Energy Quantum of Radiation

11.7 Particle Nature of Light: The Photon

11.8 Wave Nature of Matter

11.9 Davisson and Germer Experiment

12. Atoms

12.1 Introduction

12.2 Alpha–particle Scattering and Rutherford's Nuclear Model of Atom

12.3 Atomic Spectra

12.4 Bohr Model of the Hydrogen Atom

12.5 The Line Spectra of the Hydrogen Atom

12.6 DE Broglie's Explanation of Bohr's Second Postulate of Quantisation

13. Nuclei

13.1 Introduction

13.2 Atomic Masses and Composition of Nucleus

13.3 Size of the Nucleus

13.5 Nuclear Force

13.6 Radioactivity

13.7 Nuclear Energy

14. Semiconductor Electronics: Materials, Devices And Simple Circuits

14.1 Introduction

14.2 Classification of Metals, Conductors and Semiconductors

14.3 Intrinsic Semiconductor

14.4 Extrinsic Semiconductor

14.5 p–n Junction

14.6 Semiconductor diode

14.7 Application of Junction Diode as a Rectifier

14.8 Special Purpose p–n Junction Diodes

14.9 Junction Transistor

14.10 Digital Electronics and Logic Gates

14.11 Integrated Circuits

15. Communication Systems

15.1 Introduction

15.2 Elements of a Communication System

15.3 Basic Terminology Used in Electronic Communication Systems

15.4 Bandwidth of Signals

15.5 Bandwidth of Transmission Medium

15.6 Propagation of Electromagnetic Waves

15.7 Modulation and its Necessity

15.8 Amplitude Modulation

15.9 Production of Amplitude Modulated Wave

15.10 Detection of Amplitude Modulated Wave


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